<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>
  <div id="app">
    <button @click="isShow = !isShow">
      {{ isShow? '隐藏': '显示' }}
    </button>
    <home-page v-if="isShow"></home-page>
  </div>
  <script src="./vue.js"></script>
  <script>
    const Home = {
      template: `
        <div>
          <h2>这是home页</h2>  
          <button @click="addArr">增加li</button>
          <ul>
            <li v-for="item in arr" :key="item">
              {{ item }}  
            </li>  
          </ul>
        </div>
      `,
      data() {
        return {
          arr: [1,2,3,4]
        }
      },
      methods: {
        addArr() {
          this.arr.push(this.arr.length+1)
        }
      },
      beforeCreate () {
        console.log('beforeCreate触发');;
      },
      created () {
        console.log('created触发');;
      },
      beforeMount () {
        console.log('beforeMount触发');;
      },
      mounted () {
        console.log('mounted触发');;
      },
      beforeUpdate () {
        console.log('beforeUpdate触发');;
      },
      updated () {
        console.log('updated触发');;
      },
      beforeDestroy () {
        console.log('beforeDestroy触发');;
      },
      destroyed () {
        console.log('destroyed');;
      },
    }
    Vue.component('HomePage', Home)
    const vm = new Vue({
      el: '#app',
      data: {
        isShow: true
      }
    })
  </script>
</body>
</html>